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The IonMonkey JavaScript engine in Mozilla Firefox before 24.0, Thunderbird before 24.0, and SeaMonkey before 2.21, when Valgrind mode is used, does not properly initialize memory, which makes it easier for remote attackers to obtain sensitive information via unspecified vectors.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade firefoxUpgrade linux-seamonkeyUpgrade thunderbirdUpgrade seamonkeyUpgrade linux-thunderbirdUpgrade linux-firefox | Dec 10, 2025 | Aug 18, 2013 |
| Gentoo Linux | — | Upgrade www-client/seamonkey.Upgrade mail-client/thunderbird-bin.Upgrade mail-client/thunderbird.Upgrade www-client/firefox.Upgrade www-client/firefox-bin.Upgrade www-client/seamonkey-bin. | Oct 30, 2017 | Sep 18, 2013 |
| Mfsa2013 85 | — | Upgrade to Mozilla Firefox version 24.0Upgrade to the latest version of Mozilla Firefox | Sep 25, 2013 | Sep 18, 2013 |
| Mozilla Seamonkey | — | Upgrade to Mozilla SeaMonkey version 2.21Upgrade to the latest version of Mozilla SeaMonkey | Dec 8, 2014 | Sep 18, 2013 |
| Mozilla Thunderbird | — | Upgrade to Mozilla Thunderbird version 24.0Upgrade to the latest version of Mozilla Thunderbird | Sep 25, 2013 | Sep 18, 2013 |
| Suse | — | Upgrade MozillaFirefox-translations-commonUpgrade MozillaFirefox-develUpgrade MozillaThunderbird-translations-commonUpgrade seamonkey-ircUpgrade mozillafirefox-branding-upstreamUpgrade MozillaThunderbird-develUpgrade MozillaThunderbirdUpgrade mozillafirefox-buildsymbolsUpgrade MozillaThunderbird-buildsymbolsUpgrade seamonkey-venkmanUpgrade MozillaThunderbird-translations-otherUpgrade seamonkey-translations-otherUpgrade seamonkeyUpgrade enigmailUpgrade seamonkey-dom-inspectorUpgrade seamonkey-translations-commonUpgrade MozillaFirefox-translations-otherUpgrade MozillaFirefox | Dec 12, 2013 | Sep 18, 2013 |
| Ubuntu | — | Upgrade thunderbirdUpgrade firefox | Nov 8, 2024 | Sep 18, 2013 |
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